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Avalanche warning for region Sunnmøre Saturday 17.02.2018

Danger level 2 - Moderate avalanche danger

Published:
Be careful in lee areas with wind deposited snow. Slab avalanches are easiest to trigger where the wind deposited slabs are thin or soft.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Poor bonding between layers in wind deposited snow

Below you can see a description of the current snow cover information and current weather forecast in the mountains. If your observations deviate greatly from what is described here, the warning will not necessarily apply either. Always make your own judgments or stay away from avalanche terrain.

Snow cover (in Norwegian)

Friday 16. February 2018

Storm onsdag og torsdag har påverka snødekket i stor grad. Det har i hovudsak danna seg harde fokksnøflak og på dei mest utsatte terrengformasjonane er det avblåst og skare/is i overflata.

Det er observert begynnande kantkorn i snødekket, men desse utgjer ikkje noko skredproblem.

Torsdag gjekk det både naturlege og skiløperutløyste små snøskred på Strandafjellet. Onsdag føremiddag gjekk det eit lite flakskred i Valldalen.

Fredag føremiddag var det snøvær og rolige vindforhold.

Mountain weather

Friday 16. February 2018

4-5 mm precipitation. Strong breeze from south, changing to breeze from the southwest during the afternoon. -12 °C to -3 °C at 1400 m a.s.l. Partly cloudy.

Saturday 17. February 2018

Little to no precipitation. Breeze from southeast, changing to fresh breeze from the southeast during the evening. -12 °C to -2 °C at 1400 m a.s.l. Partly cloudy.

Advice

The bulletin is a planning tool and may differ from the actual situation. Always make your own evaluation. To be 100 % avalanche safe, avoid all avalanche terrain.

Avalanche risk assessment

Stormen onsdag og torsdag har ført til oppbygging av fokksnøflak som kan ha betydeleg størrelse i leheng i nordleg sektor. Roligare vær med svak vind gjer at flak vil starte å stabilisere seg, men dette tek tid, og dei kan framleis vere ustabile.
Avalanche danger scale Important information for ski touring
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